(April 9, 2007) CHANDLER, AZ and LIBERTYVILLE, IL — Piper Plastics, Inc., a plastics-parts machining company, is producing test socket components from EPM-2204U-W: a proprietary grade, based on VICTREX PEEK polymer, that resists moisture absorption and suits tight pitch and fine-diameter holes. The plastic components offer advantages over ceramics and other polymers, according to Dave Wilkinson, materials engineering manager.